MOE = +\- 1.27
The 99% confidence interval ranges from 53.73 to 56.27 hours.
The answer to your problem is X= -155/54
Answer:a. μ = 9.667 hours
b. σ = 1.972 hours
c. SE = 0.805 hour
Sample size (n) = 6
Sample data (xi) = 10, 8, 9, 7, 11, 13
a. Mean time spent in a week for this course by students:
Sample mean is given by:
Mean time spent in a week per student is 9.667 hours
b. Standard deviation of the time spent in a week for this course by students:
Standard deviation is given by:
c. Standard error of the estimated mean time spent in a week for this course by students:
Standard error is given by:
Answer:
21.204
Step-by-step explanation:
Answer:
selena is correct
Step-by-step explanation:
